document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66512>Question 66512</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A,B,C,D are 4 points on a line such that AB:AC=3:5 and BD:CD=7:2. If CD is<BR>\n" );
document.write( "5cm long,  find the length of AB?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #47161 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=47161\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ab:ac=3:5<BR>\n" );
document.write( "bd:cd=7:2<BR>\n" );
document.write( "if cd is 5 cm then cd=2:5 then ab=3:x<BR>\n" );
document.write( "2:5=3:x<BR>\n" );
document.write( "15=2x<BR>\n" );
document.write( "x=15/2<BR>\n" );
document.write( "x=7.5 cm </SPAN>\n" );
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